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|    rec.audio.tubes    |    Tube-based amplifiers... that go to 11    |    52,877 messages    |
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|    Message 50,879 of 52,877    |
|    Raymond Koonce to flipper    |
|    Re: Preamp    |
|    24 Mar 10 16:41:38    |
      From: rkoonce@dsityler.com              Flipper,              Not to be anal, but the term is baxandall, named for P. J. Baxandall,       not bandaxall. See this link:       http://www.schmarder.com/radios/tech/tone.htm for some details.              Best regards,              Raymond              flipper wrote:       > I've been toying with the idea of building a preamp with bandaxall       > tone controls.       >       > I've made an orphaned (not on menu) web page showing one idea.       >       > http://flipperhome.dyndns.org/6DT8%20Preamp       >       > The idea started with using a (super linear) pentode-triode pair in       > mind but I began wondering about pentode noise and, so, have done a       > (bootstrapped) triode cascode.       >       > Distortion is lower in the bandaxall feedback so the input cathode       > follower dominates.       >       > I'm curious what people think.       >       > I've not used pentodes in preamps so would feedback take care of the       > noise?              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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